What was found
NR 1 ENG DRAIN LINE CHECK IAW AMM 71-00-00, STARTER DRAINED 30 CC, IDG DRAINED 60 CC. HYD PUMP, FUEL PUMP, AND HMU DRAINED 0 CC. ITEM M6: LEFT ENGINE IDG AND STARTER DRAIN LINES CAPPED FOR SEAL REPLACEMENT WITHIN 10 FLIGHT CYCLES PER ECM 2019-342. REMOVED AND REPLACED LEFT ENGINE IDG AND STARTER CARBON SEAL, AND MATING RING PER AMM 72-64-00. ENGINE RUN CHECKED AND NO LEAK FOUND PER AMM 71-00-00-795-03-403. A/C OK FOR SERVICE.